
st = '  h e l l o   w o r l d ! '

# print(st.count('he'))
# print(st.index('t'))
# print(st.find('l'))

# print('1231231232h'.isdigit())

# new_st = st.replace(' ', '')

# print(new_st.upper())

st01= 'hello world'

# print(st01.capitalize())
# print(st01.title())

# print(st01.split('l'))

# st02 = '    hello  world     '
# print(st02.strip())

st03 = '-'.join(['I','Love','You'])
print(st03)

print('123'+'456')

